This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

A quirky collection flush with information on commode culture from ancient times to modern day.

A display of magnificent stained glass windows is the first exhibit of its kind.

Less a museum than a bizarre fantasy world created by artists and engineers.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

This private residence was the template for one of the most beloved television homes of all time.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

The world's only official college program focused on "clown therapy."

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A museum dedicated to the least secret spy is actually an attempt to get Hollywood's attention.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

An unlikely hit, this museum is dedicated to the inventor of instant ramen and cup noodles.

Peace Park and the Atomic Bomb Dome.

A Japanese corporation has turned this small island town into living modern art gallery.

One of the first hotel rooms in a pod.

Steaming blood-red hot spring from hell.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

Japanese national treasure originally built in 593 CE.